antagonista
From LSJ
Ζῆν οὐκ ἄξιος, ὅτῳ μηδὲ εἷς ἐστι χρηστὸς φίλος → Life is not worth living if you do not have at least one friend.
Latin > English (Lewis & Short)
antăgōnista: ae, m., = ἀνταγωνιστής,
I an adversary, opponent, antagonist, Hier. Vit. Hil. fin.
Latin > French (Gaffiot 2016)
antăgōnista, æ, m. (ἀνταγωνιστής), antagoniste : Hier. Vita Hilar. 43.
Latin > German (Georges)
ant-agōnista, ae, m. (ἀνταγωνιστής), der Widersacher, Hieron. vit. Hilar. 43.